Install an SMTP server and POP/IMAP server using the following link

Install http server and SquirrelMail

• yum install httpd php
  

Download the latest stable version of application (squirrelmail-webmail-1.4.22) from the SquirrelMail site

copy it in the folder /var/www/html

Extract the tar file

• tar -zxvf squirrelmail-webmail-1.4.22.tar.gz

 

• mv squirrelmail-webmail-1.4.22 /var/www/html/webmail

Run the configuration script

• /var/www/html/webmail/config/conf.pl

Go through the menus one by one, and remember change the following:

• Organization Name
• Domain
• Sendmail or SMTP
• Please select your IMAP server
• You may want to select SSHA if you are using that for password encryptions

Edit the httpd configuration file:

• vi /etc/httpd/conf/httpd.conf

Add the following lines at the end

• Alias /squirrelmail /var/www/html/webmail
  <Directory /var/www/html/webmail>
  Options None
  AllowOverride None
  DirectoryIndex index.php
  Order Allow,Deny
  Allow from all
  </Directory>
  <Directory /var/www/html/webmail/*>
  Deny from all
  </Directory>
  <Directory /var/www/html/webmail/scripts>
  Allow from all
  </Directory>
  <Directory /var/www/html/webmail/images>
  Allow from all
  </Directory>
  <Directory /var/www/html/webmail/plugins>
  Allow from all
  </Directory>
  <Directory /var/www/html/webmail/src>
  Allow from all
  </Directory>
  <Directory /var/www/html/webmail/templates>
  Allow from all
  </Directory>
  <Directory /var/www/html/webmail/themes>
  Allow from all
  </Directory>
  <Directory /var/www/html/webmail/contrib>
  Order Deny,Allow
  Deny from All
  Allow from 127
  Allow from 10
  Allow from 192
  </Directory>
  <Directory /var/www/html/webmail/doc>
  Order Deny,Allow
  Deny from All
  Allow from 127
  Allow from 10
  Allow from 192
  </Directory>

Run the following commands:

• mkdir -p /var/local/squirrelmail/data/

 

• mkdir -p /var/local/squirrelmail/attach/

 

• chown -R apache /var/local/squirrelmail

Restart apache

• systemctl start httpd

 

• systemctl enable httpd